247693740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 192

約数和(自身を含む): 849429504

約数和(自身を除く): 601735764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 113, 119, 140, 170, 204, 210, 226, 238, 255, 307, 339, 340, 357, 420, 452, 476, 510, 565, 595, 614, 678, 714, 791, 921, 1020, 1130, 1190, 1228, 1356, 1428, 1535, 1582, 1695, 1785, 1842, 1921, 2149, 2260, 2373, 2380, 3070, 3164, 3390, 3570, 3684, 3842, 3955, 4298, 4605, 4746, 5219, 5763, 6140, 6447, 6780, 7140, 7684, 7910, 8596, 9210, 9492, 9605, 10438, 10745, 11526, 11865, 12894, 13447, 15657, 15820, 18420, 19210, 20876, 21490, 23052, 23730, 25788, 26095, 26894, 28815, 31314, 32235, 34691, 36533, 38420, 40341, 42980, 47460, 52190, 53788, 57630, 62628, 64470, 67235, 69382, 73066, 78285, 80682, 104073, 104380, 109599, 115260, 128940, 134470, 138764, 146132, 156570, 161364, 173455, 182665, 201705, 208146, 219198, 242837, 268940, 313140, 346910, 365330, 403410, 416292, 438396, 485674, 520365, 547995, 589747, 693820, 728511, 730660, 806820, 971348, 1040730, 1095990, 1179494, 1214185, 1457022, 1769241, 2081460, 2191980, 2358988, 2428370, 2914044, 2948735, 3538482, 3642555, 4128229, 4856740, 5897470, 7076964, 7285110, 8256458, 8846205, 11794940, 12384687, 14570220, 16512916, 17692410, 20641145, 24769374, 35384820, 41282290, 49538748, 61923435, 82564580, 123846870, 247693740]

約数ペア:

[(1, 247693740), (2, 123846870), (3, 82564580), (4, 61923435), (5, 49538748), (6, 41282290), (7, 35384820), (10, 24769374), (12, 20641145), (14, 17692410), (15, 16512916), (17, 14570220), (20, 12384687), (21, 11794940), (28, 8846205), (30, 8256458), (34, 7285110), (35, 7076964), (42, 5897470), (51, 4856740), (60, 4128229), (68, 3642555), (70, 3538482), (84, 2948735), (85, 2914044), (102, 2428370), (105, 2358988), (113, 2191980), (119, 2081460), (140, 1769241), (170, 1457022), (204, 1214185), (210, 1179494), (226, 1095990), (238, 1040730), (255, 971348), (307, 806820), (339, 730660), (340, 728511), (357, 693820), (420, 589747), (452, 547995), (476, 520365), (510, 485674), (565, 438396), (595, 416292), (614, 403410), (678, 365330), (714, 346910), (791, 313140), (921, 268940), (1020, 242837), (1130, 219198), (1190, 208146), (1228, 201705), (1356, 182665), (1428, 173455), (1535, 161364), (1582, 156570), (1695, 146132), (1785, 138764), (1842, 134470), (1921, 128940), (2149, 115260), (2260, 109599), (2373, 104380), (2380, 104073), (3070, 80682), (3164, 78285), (3390, 73066), (3570, 69382), (3684, 67235), (3842, 64470), (3955, 62628), (4298, 57630), (4605, 53788), (4746, 52190), (5219, 47460), (5763, 42980), (6140, 40341), (6447, 38420), (6780, 36533), (7140, 34691), (7684, 32235), (7910, 31314), (8596, 28815), (9210, 26894), (9492, 26095), (9605, 25788), (10438, 23730), (10745, 23052), (11526, 21490), (11865, 20876), (12894, 19210), (13447, 18420), (15657, 15820)]